<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>Insert title here</title>
</head>
<body>
没注册的用户，请<a href="index/register">注册</a>！<br>
已注册的用户，去<a href="index/login">登录</a>！
</body>
</html>